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Quick Start

Crear un nuevo proyecto

Estructura de directorios en Kdenlive

El primer paso es crear una nueva carpeta (vacía) para nuestro nuevo proyecto. En este tutorial lo llamaremos quickstart-tutorial/. Luego tome algunos clips de video o descárguelos de acá: kdenlive-tutorial-videos-2011-avi.tar.bz2 (7 MB)[1] y extraerlo p.ej. a quickstart-tutorial/Videos/, una subcarpeta vacía dentro del directorio del proyecto.

La imagen de la izquierda muestra la estructura de carpetas sugerida: cada proyecto tiene su propio directorio, con los archivos de video en el subdirectorio Videos, archivos de audio en el directorio Audio, etc. (leer más)

(El tutorial asume desde ahora que usted usa las muestras de video proporcionadas acá, pero desde luego funcionará para cualquiera.)


New Project dialog

Abra Kdenlive y cree un nuevo proyecto (Archivo -> Nuevo).

Seleccione la carpeta de proyecto (quickstart-tutorial/) creada previamente y elija un perfil de proyecto adecuado. Los archivos de video proporcionados más arriba están en 720p, 23.98 fps.[2] Si está usando sus propios archivos y no sabe qué perfil usar, Kdenlive le sugerirá uno adecuado al momento de añadir el primer clip de video [3] , de modo que por ahora puede dejar este campo en cualquier perfil que esté.


Agregando clips

Árbol de proyecto: Agregar clip de video

Ahora que el proyecto está listo, comencemos por agregar algunos clips (i.e. los que usted ha descargado). Esto se hace a través del Widget de Árbol de proyecto; un clic en el icono Agregar clip Icon-add-clip.png abre directamente el diálogo de archivo, un clic en la pequeña flecha muestra la lista de tipos adicionales de clips que se también pueden añadir. A través del cuadro de diálogo estándar Agregar clip se pueden añadir clips de video, audio, imágenes e incluso otros proyectos de Kdenlive.


Ventana de Kdenlive 0.8 con los archivos del tutorial

Después de cargar los clips, Kdenlive será similar a esto. En la parte superior izquierda se encuentra el árbol del proyecto ya conocido. A la derecha está el monitores que muestra los vídeos, tanto los clips originales, como la salida del vídeo que estamos editando, con todos los efectos, transiciones, etc. aplicadas. El tercero elemento, también muy importante, es la línea de tiempo (por debajo del monitor y del árbol): en la línea de tiempo es donde se pueden combinar y editar los clips de vídeo. Hay dos tipos diferentes de pistas, vídeo y audio. Las de vídeo pueden contener cualquier tipo de clip, así sean pistas de audio, pero cuando se suelta un archivo de vídeo a la pista de audio, se utilizarán sólo el audio.


Saving a Kdenlive project

Ahora salvemos el trabajo a través de Archivo -> Guardar. Con esto hemos guardado las ediciones que hayamos hecho, p.ej., el lugar de cada clip en la línea de tiempo, los efectos que hemos aplicado, etc. El proyecto guardado "no" se puede visualizar como .[4] El proceso de generar el video final se conoce como Renderizar.


Línea de tiempo

Véase también la sección línea de tiempo del manual

Now comes the actual editing. Project clips are combined to the final result on the timeline. They get there by drag and drop: Drag some Napoli (assuming you are using the files provided above, as in the rest of this quick start tutorial; If not, please make sure your screen is waterproof, and perhaps tomatoproof) from the project tree, and drop it onto the first track in the timeline.

First clips in the timeline

Since some cutlery is needed as well, grab the spoon clip and drop it on the first track as well. Then drag the Napoli to the beginning of the timeline (otherwise the rendered video would start with some seconds of plain black), and the Spoon right after the Napoli, such that it looks like in the image on the left. (Where I have zoomed in with Ctrl + Wheel.)


Timeline cursor

The result can already be previewed by pressing Space (or the Play button in the project monitor). You will see the Napoli directly followed by a Spoon. If the timeline cursor is not at the beginning, the project monitor will start playing somewhere in the middle; you can move it by dragging it either on the timeline ruler or in the project monitor. If you prefer keyboard shortcuts, Ctrl + Home does the same for the monitor that is activated. (Select the Project Monitor if it is not selected yet before using the shortcut.)


Resize marker

Since after eating comes playing, there is a Billiards clip. Add it to the timeline as well. For the first 1.5 seconds nothing happens in the clip, so it should perhaps be cut to avoid the video becoming boring. An easy way[5] for this is to move the timeline cursor to the desired position (i.e. the position where you want to cut the video), then drag the left border of the clip when the resize marker appears. It will snap in at the timeline cursor when you move close enough.


Overlapping clips

To add a transition between eating (the Spoon) and playing billiards, the two clips need to overlap. To be precise: the second clip should be above or below the first one and end some frames after the second one begins. Zooming in until the ticks for single frames appear helps here; it also makes it easy to always have the same transition duration, five frames in this case.

You can zoom in by either using the zoom slider at the bottom of the Kdenlive window, or with Ctrl + Mousewheel. Kdenlive will zoom to the timeline cursor, so first set it to the position which you want to see enlarged, then zoom in.


Transition marker

Now that the clips overlap, the transition can be added. This is done either by right-clicking on the upper clip and choosing Add Transition or, easier, by clicking the green triangle that appears when you hover the mouse over the lower right corner of the Spoon clip. The latter, by default, adds a dissolve transition, which is in this case the best idea anyway since the Spoon is not required for playing.

The dissolve transitions fades the first clip into the second one. See also Transition section of the manual.


Kdenlive-Quickstart-Add-Last-Clip.png

Let’s now add the last clip, the Piano, and again apply a dissolve transition. When adding it on the first track of the timeline, you need to click on the new clip’s lower left edge to add the transition to the previous clip.



Effects

Effect List

The Piano can be colourized by adding an effect to it. Select the piano clip, then double-click the RGB Adjustment effect in the Effect List. If it is not visible, you can get it via View -> Effect List.


Kdenlive Quickstart-Effect-Flag.png

Once the effect has been added, its name will be added to the timeline clip. It will also be shown in the Effect Stack widget.


Effect Stack with RGB adjustment

To get a warm yellow-orange tone on the image, fitting the comfortable evening, blue needs to be reduced and red and green improved.

The values in the effect stack widget can be changed by using the slider (middle mouse button resets it to the default value), or by entering a value directly by double-clicking the number to the right of the slider.

Effects can also be added with the Add new effect icon (framed in the image on the left) in the Effect Stack; It always refers to the timeline clip that is currently selected. By unchecking the checkbox they are temporarily disabled (the settings remain though), this is e.g. useful for effects that require a lot of computing power, so they can be disabled when editing and enabled again for rendering.

For some effects, like the one used there, it is possible to add keyframes. The framed watch icon indicates this. Keyframes are used for changing effect parameters over time. In our clip this allows us to fade the piano’s colour from a warm evening colour to a cold night colour.


Keyframes for effects

After clicking the keyframe icon (the clock icon framed in the previous image), the Effect Stack widget will re-arrange. By default there will be two keyframes, one at the beginning of the timeline clip and one at the end. Move the timeline cursor to the end of the timeline clip, such that the project monitor actually shows the new colours when changing the parameters of the keyframe at the end.

Make sure the last keyframe is selected in the Effect Stack’s list. Then you are ready to flood the piano with a deep blue.

Moving the timeline cursor to the beginning of the project and playing it (with Space, or the Play button in the Project Monitor), the piano should now change the colour as desired.

Keyframing was the hardest part of this tutorial. If you managed to do it, you will master Kdenlive easily!

See also Effects section of the manual.


Music

Audio fadeout

Since the clips do not provide any audio, let’s search for some nice piece of music, from your local collection or on web pages like Jamendo. The audio clip should, after adding it, be dragged to an audio track on the timeline.

The audio clip can be resized on the timeline the same way as video clips are. The cursor will snap in at the end of the project automatically. To add a fade out effect at the end of the audio clip (except if you found a file with exactly the right length) you can hover the top right (or left) edge of the timeline clip and drag the green disc to the position where fading out should start.[6]


Rendering

Rendering dialog

A few minutes left, and the project is finished! Click the Render button (or go to Project -> Render, or press Ctrl + Enter) to get the dialog shown on the left. Select the desired output file for our new video with all effects and transitions, choose MPEG4 (works nearly everywhere) and a bitrate of 2000k (the higher the bitrate, the larger the output file and the better the quality – but since the bitrate for the input clips was 2000k already, using a higher one would not improve quality and is therefore unnecessary), and press the Render to File button.


Rendering progress

After some seconds rendering will be finished, and your first Kdenlive project completed. Congratulations!


References and notes

  1. . Si prefiere Theora (para promover el uso de formatos libres), puede descargar este archivo kdenlive-tutorial-videos-2011-ogv.tar.bz2.
  2. 720 es la altura del video, p es para escaneo progresivo en contraste con video entrelazado y el número fps denota el número de cuadros por segundo.
  3. Siempre que configure Kdenlive en Miscelánea para Chequear si el primer clip agregado concuerda con el perfil del proyecto
  4. Para hacerlo, es posible usar melt yourproject.kdenlive, pero esta no es la manera en que se mostrará el video final debido a que es (casi seguro) demasiado lenta. Además, solo funcionaría si melt está instalado.
  5. Writing it this way suggests that there are several ways of cutting a clip. This is in fact true.
  6. This green disc is a shorthand for adding the effect Fade -> Fade out. Both ways lead to the same result.

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